﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NGUYENTHUTRANG.Test.Test_1.ex1
{
    public class rectangle : GeometricObject
    {
        public override double Area(object obj)
        {
            double a = 0, b = 0;

            double S = a * b;
            return S;

        }

        public override double Perrimetter(object obj)
        {
            double a = 0, b = 0;
            return (a + b) * 2;
        }
    }
}
